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This Carbon 14 Dating in Practice I assessment also includes:
How old is the plant? Here is a task that presents the exponential decay function for carbon 14 in a plant. Pupils use the function to estimate the amount of carbon 14 in the plant when it died and analyze the function to find what the half-life of carbon 14 is.
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CCSS:
Designed
Concepts
Additional Tags
Instructional Ideas
- Lead a discussion on carbon 14 dating and how it is done
Classroom Considerations
- Task can be used as instructional tool or as an assessment
- The class should know how to evaluate an exponential expression
Pros
- The discussion of the solutions reflects upon the idea of half-life and whether the solutions make sense
- Explains the function within the task
Cons
- The first page of the task is a blank page that is unnecessary